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看起来en2没有数据传输,但这种情况是什么意思呢?
# ifconfig -a
en0: flags=5e080863,80<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST,GROUPRT,64BIT,CHECKSUM_OFFLOAD,PSEG,CHAIN>;
inet 192.168.0.27 netmask 0xffffff00 broadcast 192.168.0.255
en2: flags=5e080863,c0<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST,GROUPRT,64BIT,CHECKSUM_OFFLOAD,PSEG,CHAIN>;
inet 192.168.0.27 netmask 0xffffff00 broadcast 192.168.0.255
tcp_sendspace 131072 tcp_recvspace 65536
lo0: flags=e08084b<UP,BROADCAST,LOOPBACK,RUNNING,SIMPLEX,MULTICAST,GROUPRT,64BIT>;
inet 127.0.0.1 netmask 0xff000000 broadcast 127.255.255.255
inet6 ::1/0
tcp_sendspace 65536 tcp_recvspace 65536
# netstat -in
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
en0 1500 link#2 0.2.55.3a.33.38 624525684 0 958804850 0 0
en0 1500 192.168 192.168.0.27 624525684 0 958804850 0 0
en2 1500 link#3 0.2.55.d3.1f.f4 0 0 3 3 0
en2 1500 192.168 192.168.0.27 0 0 3 3 0
lo0 16896 link#1 575169 0 579980 0 0
lo0 16896 127 127.0.0.1 575169 0 579980 0 0
lo0 16896 ::1 575169 0 579980 0 0
# |
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